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    A symmetrical bistable mechanism from combination of pre-shaped microbeams

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    Name:
    A symmetrical bistable mechanism from combination of pre-shaped microbeams - Accepted version.pdf
    Size:
    1.197Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2022-03-25
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    Type
    Article
    Authors
    Hussein, Hussein cc
    Khan, F.
    Younis, Mohammad I. cc
    KAUST Department
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2020-03-19
    Online Publication Date
    2020-03-19
    Print Publication Date
    2020-05
    Embargo End Date
    2022-03-25
    Submitted Date
    2019-12-26
    Permanent link to this record
    http://hdl.handle.net/10754/662384
    
    Metadata
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    Abstract
    A bistable mechanism is proposed with symmetrical snap-through behavior between the two equilibrium positions. The mechanism is monolithic and does not require external axial load, as buckled beams. It consists of two pre-shaped beams of opposite curvature with similar properties and dimensions, which are connected after fabrication. The combination of the opposite pre-shaped beams, each having non-symmetrical bistability, results in total symmetric bistability. This symmetrical bistable mechanism provides the advantage of having the same switching force in the forward and backward directions. The concept of the new mechanism is presented, analyzed based on the snapping force curves, and tested experimentally on microfabricated prototypes.
    Citation
    Hussein, H., Khan, F., & Younis, M. I. (2020). A symmetrical bistable mechanism from combination of pre-shaped microbeams. Sensors and Actuators A: Physical, 306, 111961. doi:10.1016/j.sna.2020.111961
    Sponsors
    This research is supported by KAUST research fund.
    Publisher
    Elsevier BV
    Journal
    Sensors and Actuators, A: Physical
    DOI
    10.1016/j.sna.2020.111961
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0924424719323350
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.sna.2020.111961
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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